<!doctype html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Document</title>
</head>
<body>
<script type="text/javascript">
	// var x=3;
	// var y=5;
	// z=x+y;
	// alert(z);
	var str='suen';
	alert('my name is '+str);
	</script>
</body>
</html>